Sole-setting machine



May 13, 1939. I DEMNITZ 1,758,784

SOLE SETTING MACHINE Filed April 21, 1925 Jnvenfor':

1 ever,

Fatented May 1 3, 1930 ALBERT DEMNITZ, 0F DRESDEN, GERMANY SOLE-SETTING MACHINE App1ication filed April 21, 1925, Serial N 0. 24,825, and in Germany September 12, 1924.

In the manufacture of shoes, it has been found that the presses employed for sticking the soles to the shoe, because of their size, require a large amount of floor space which is often not available. To overcome this objection, it has been proposed to mount the presses upon the outer circumference of a ring-shaped carrier, which may be rotated in a vertical plane. This arrangement, howhas the disadvantage, that in case of a sufficiently large number of presses, the diameter of the carrier for the same becomes of excessive dimensions, so that the platform for the operator attending the press will have to be positioned far above the level of the floor. On the other hand it has also been tried to build up drums from wheel-like structures of smaller diameter, which rotate around a horizontal axis, and to mount the several presses at the circumference of said drum. This construction also has the disadvantage of occupying too much space.

This invention is designed to obviate these p drawbacks which are overcome by mounting the several presses or pressing devices at the inner circumference of a ring-shaped carrier, rotatably mounted upon a horizontal pivot. By thus arranging the machine for the same number of presses a quite considerable saving is obtained regarding the height of the machine.

In the acompanying drawing I have represented an example of a machine according to my invention for sticking soles to footgear, said machine being arranged for a central supply of the pressure air.

In the drawing, Fig. 1 is a front view of the machine or press embodying this invention, and Fig. 2 a vertical central section through the machine.

At the upper end of a pillar or upright 1 there is provided a pivot 2, upon which the hub 3 of the ring-shaped carrier 4 for the pressing devices 5 is rotatably mounted. The carrier 4 for the purpose of economizing in weight may consist of angle-irons, connected with each other and having one of their flanges extended radially outward as shown in Fig. 2. The angle-iron located adjacent the pillar or upright 1 is connected with the members 8, so as to be pressed against the e":

work piece by means of a clip or stirrup 10 which is engaged by the notches 9 provided at the end of the arm 7. The horizontal pivot 2 is provided with a channel leading towards the upper part of the standard 1,

said channel being in connection by way of the valve 13 with the pressure air container (not shown).

This container may advantageously be arranged within the hollow cast-iron body of the standard 1. Each of the pressing devices is connected with the distributing head by means of a hose or conduit 14. Attached to the hub 3 or to the spokes 6 is a ring 15, which is provided at its circumference with a number of holes corresponding to the number of the several resses 5. A locking bolt 16 co-operates with these holes, said bolt being permanently kept in looking condition by action of the spring 17. The bolt 16 furthermore may be pulled into its unlocking position by a foot lever 18.

According to my invention also on the other side of the standard or upright 1 a Q carrier t with pressing devices may be arranged, so that twice the number of individual presses may be obtained without increasing the width of the machine to any appreciable extent. The machine according to my invention may of course also be constructed without the air pressure equipment above described.

By arranging the pressing devices 5 at the inner circumference of the ring-shaped carrier 4: according to my invention, it will be possible to mount a great number of presses on a carrier of relatively small diameter, and to easily attend the several presses, as soon as they reach their lowermost position.

The operation of the machine above described is as follows:

If the operator depresses the foot lever 18, the locking bolt 16 disengages from the hole of the locking ring 15 and the annular support 4 is free for rotation to cause the next pressing clamp to be positioned opposite the operator. Then the locking bolt 16 engages with the next hole in the ring 15 under the influence of the spring 17 and again stops the machine. The operator now opens and closes the pressing clamp for substituting for the pressed shoe a newly prepared piece and further rotates the machine as above described.

I claim 1. A sole setting machine comprising a standard havin an axis disposed angularly with respect 't ereto, an upright annular member mounted for turning movement upon said axis, spaced pressing clamps carried at the inner periphery of the ring, and resiliently tensioned locking means mounted upon the standard and engageable with the member.

2. A sole setting machine comprising a standard having an axis disposed angularly with respect thereto, an upright annular member mounted for turning movement upon said axis, spaced pressing clamps carried at the inner periphery of the ring, and resiliently tensioned locking means mounted upon the standard and engageable with the member adjacent its central portion.

In testimony whereof I have afiixed my signature.

ALBERT DEMNITZ. 

